How long is the flight from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport?

Airlines like Air Canada fly from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport in about 20h 49m. The time it takes to get you to your destination can typically vary by up to . There are 6921 mi between Osaka Itami Airport and Washington, D.C. Dulles Intl Airport.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from ITM to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport as you normally would.

Most accurate provider : When it comes to deals on Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Osaka Itami to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Osaka Itami to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Osaka Itami to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka Itami to Dulles Intl.

Can I find deals for business class flights from Osaka Itami to Dulles Intl?

Yes. Cheapflights offers flight deals from Osaka Itami to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$597+ Flights from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Osaka Itami to Dulles Intl

Cheapest flights from Osaka Itami to Dulles Intl
Explore the most affordable flight options available from Osaka Itami to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Mon 12/222:05 pmITM - IAD

2 stops20h 54mAir Canada

Fri 1/29:00 amIAD - ITM

2 stops20h 10mAir Canada

Deal found 12/11

$2,007

Mon 12/227:30 amITM - IAD

1 stop15h 40mANA

Fri 1/211:10 amIAD - ITM

1 stop18h 00mANA

Deal found 12/11

$2,050

Mon 12/222:40 pmITM - IAD

2 stops20h 19mMultiple Airlines

Fri 1/210:06 pmIAD - ITM

2 stops31h 04mMultiple Airlines

Deal found 12/10

$2,128

Best flights from Osaka Itami to Dulles Intl
Discover carefully curated flight deals from Osaka Itami to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Tue 2/32:05 pmITM - IAD

2 stops20h 49mAir Canada

Thu 2/59:00 amIAD - ITM

2 stops21h 20mAir Canada

Deal found 12/9

$1,138

Mon 2/92:05 pmITM - IAD

2 stops20h 49mAir Canada

Wed 2/189:00 amIAD - ITM

2 stops21h 20mAir Canada

Deal found 12/10

$1,144

Mon 2/92:05 pmITM - IAD

2 stops20h 49mAir Canada

Sun 2/1510:09 pmIAD - ITM

2 stops32h 11mAir Canada

Deal found 12/10

$1,144

Thu 2/122:05 pmITM - IAD

2 stops20h 49mAir Canada

Sun 2/154:30 pmIAD - ITM

2 stops37h 50mAir Canada

Deal found 12/10

$1,144

Thu 2/122:05 pmITM - IAD

2 stops20h 49mAir Canada

Wed 2/189:00 amIAD - ITM

2 stops21h 20mAir Canada

Deal found 12/10

$1,144

Thu 2/122:05 pmITM - IAD

2 stops20h 49mAir Canada

Sat 2/144:30 pmIAD - ITM

2 stops37h 50mAir Canada

Deal found 12/10

$1,144

Wed 2/114:00 pmITM - IAD

2 stops18h 29mAir Canada

Sun 2/159:00 amIAD - ITM

2 stops20h 10mAir Canada

Deal found 12/10

$1,146

Wed 2/114:00 pmITM - IAD

2 stops18h 29mAir Canada

Tue 2/1710:09 pmIAD - ITM

2 stops31h 01mAir Canada

Deal found 12/10

$1,146

Wed 2/114:00 pmITM - IAD

2 stops19h 25mAir Canada

Mon 2/169:00 amIAD - ITM

2 stops21h 20mAir Canada

Deal found 12/10

$1,146

Fri 2/133:00 pmITM - IAD

2 stops20h 21mAir Canada

Wed 2/189:00 amIAD - ITM

2 stops21h 20mAir Canada

Deal found 12/10

$1,146

Tue 2/104:00 pmITM - IAD

2 stops18h 29mAir Canada

Mon 2/169:00 amIAD - ITM

2 stops20h 10mAir Canada

Deal found 12/10

$1,146

Tue 2/104:00 pmITM - IAD

2 stops18h 29mAir Canada

Wed 2/189:00 amIAD - ITM

2 stops20h 10mAir Canada

Deal found 12/10

$1,146

Last-minute flights from Osaka Itami to Dulles Intl
Discover last-minute flight deals from Osaka Itami to Dulles Intl. Data last updated December 12, 2025 and is based on user searches.

Mon 12/222:05 pmITM - IAD

2 stops20h 54mAir Canada

Fri 1/29:00 amIAD - ITM

2 stops20h 10mAir Canada

Deal found 12/11

$2,007

Mon 12/227:30 amITM - IAD

1 stop15h 40mANA

Fri 1/211:10 amIAD - ITM

1 stop18h 00mANA

Deal found 12/11

$2,050

Mon 12/222:40 pmITM - IAD

2 stops20h 19mMultiple Airlines

Fri 1/210:06 pmIAD - ITM

2 stops31h 04mMultiple Airlines

Deal found 12/10

$2,128

Sat 1/244:00 pmITM - IAD

2 stops18h 26mMultiple Airlines

Sat 1/3110:06 pmIAD - ITM

2 stops31h 04mMultiple Airlines

Deal found 12/10

$1,162

Sat 1/248:00 amITM - IAD

2 stops17h 46mANA

Sat 1/3111:10 amIAD - ITM

1 stop18h 00mANA

Deal found 12/10

$2,016

Sun 1/252:00 pmITM - IAD

2 stops20h 26mAir Canada

Sun 2/19:00 amIAD - ITM

2 stops20h 10mAir Canada

Deal found 12/11

$1,243

Sun 1/2511:30 amITM - IAD

2 stops22h 56mMultiple Airlines

Sun 2/19:45 amIAD - ITM

2 stops20h 10mMultiple Airlines

Deal found 12/11

$1,289

Sun 1/258:20 pmITM - IAD

1 stop26h 50mANA

Sun 2/111:10 amIAD - ITM

1 stop17h 00mANA

Deal found 12/11

$1,766

One-way flights from Osaka Itami to Dulles Intl
Search for one-way flight options from Osaka Itami to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Sat 1/242:40 pmITM - IAD

3 stops39h 53mMultiple Airlines

Deal found 12/10

$597

Tue 12/162:30 pmITM - IAD

2 stops22h 29mMultiple Airlines

Deal found 12/11

$653

Sat 1/243:25 pmITM - IAD

2 stops19h 52mAmerican Airlines

Deal found 12/10

$733

Wed 4/82:35 pmITM - IAD

3 stops39h 48mMultiple Airlines

Deal found 12/10

$767

Thu 5/2111:00 amITM - IAD

2 stops25h 59mMultiple Airlines

Deal found 12/11

$873

Sun 1/42:05 pmITM - IAD

2 stops52h 55mMultiple Airlines

Deal found 12/11

$1,083

Tue 4/72:35 pmITM - IAD

2 stops28h 14mMultiple Airlines

Deal found 12/10

$1,086

Sun 1/112:05 pmITM - IAD

2 stops40h 25mAir Canada

Deal found 12/10

$1,516

Fri 1/24:30 pmITM - IAD

2 stops33h 15mMultiple Airlines

Deal found 12/11

$1,554

Find flight deals from Osaka Itami to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,117 (Ovago)
One-way from	$597 (Kiwi.com)

Provider with most accurate pricing for Osaka Itami-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Osaka Itami-Washington, D.C. Dulles Intl flights.

Search Deals

From Osaka Itami to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Osaka Itami to Washington, D.C. Dulles Intl

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 2/3

2:05 pm-8:54 pm

2 stops20h 49m

Washington, D.C. Dulles Intl

Thu 2/5

9:00 am-8:20 pm

2 stops21h 20m

$1,138

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Mon 2/9

2:05 pm-8:54 pm

2 stops20h 49m

Washington, D.C. Dulles Intl

Wed 2/18

9:00 am-8:20 pm

2 stops21h 20m

$1,144

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Mon 2/9

2:05 pm-8:54 pm

2 stops20h 49m

Washington, D.C. Dulles Intl

Sun 2/15

10:09 pm-8:20 pm

2 stops32h 11m

$1,144

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/12

2:05 pm-8:54 pm

2 stops20h 49m

Washington, D.C. Dulles Intl

Sun 2/15

4:30 pm-8:20 pm

2 stops37h 50m

$1,144

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/12

2:05 pm-8:54 pm

2 stops20h 49m

Washington, D.C. Dulles Intl

Wed 2/18

9:00 am-8:20 pm

2 stops21h 20m

$1,144

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/12

2:05 pm-8:54 pm

2 stops20h 49m

Washington, D.C. Dulles Intl

Sat 2/14

4:30 pm-8:20 pm

2 stops37h 50m

$1,144

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 2/11

4:00 pm-8:29 pm

2 stops18h 29m

Washington, D.C. Dulles Intl

Sun 2/15

9:00 am-7:10 pm

2 stops20h 10m

$1,146

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 2/11

4:00 pm-8:29 pm

2 stops18h 29m

Washington, D.C. Dulles Intl

Tue 2/17

10:09 pm-7:10 pm

2 stops31h 01m

$1,146

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 2/11

4:00 pm-9:25 pm

2 stops19h 25m

Washington, D.C. Dulles Intl

Mon 2/16

9:00 am-8:20 pm

2 stops21h 20m

$1,146

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 2/13

3:00 pm-9:21 pm

2 stops20h 21m

Washington, D.C. Dulles Intl

Wed 2/18

9:00 am-8:20 pm

2 stops21h 20m

$1,146

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results

Compare providers for flights from Osaka Itami to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka Itami to Dulles Intl in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka Itami Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Osaka Itami to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Osaka Itami with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport?
Airlines like Air Canada fly from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport in about 20h 49m. The time it takes to get you to your destination can typically vary by up to . There are 6921 mi between Osaka Itami Airport and Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Osaka Itami to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Osaka Itami to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Osaka Itami to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka Itami to Dulles Intl.
Can I find deals for business class flights from Osaka Itami to Dulles Intl?
Yes. Cheapflights offers flight deals from Osaka Itami to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$597+ Cheap flights from Osaka Itami (ITM) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Osaka Itami to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Osaka Itami to Dulles Intl

Cheapest flights from Osaka Itami to Dulles IntlExplore the most affordable flight options available from Osaka Itami to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Osaka Itami to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Osaka Itami to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from Osaka Itami to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka Itami to Dulles Intl in December.

Best time to book a flight from Osaka Itami to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Osaka Itami with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Osaka Itami to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Osaka Itami to Dulles Intl that include hotel bookings?

How can I find direct flights from Osaka Itami to Dulles Intl?

Can I find deals for business class flights from Osaka Itami to Dulles Intl?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Cheapest flights from Osaka Itami to Dulles Intl
Explore the most affordable flight options available from Osaka Itami to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.